Working through progress support.

Author: photonstorm

v3/src/animation/AnimationFrame.js

@@ -1,5 +1,8 @@
-var AnimationFrame = function (frame, duration, onUpdate)
+var AnimationFrame = function (index, frame, duration, onUpdate)
 {
+    //  The index of this frame within the Animation.frames array
+    this.index = index;
+
     //  Texture Frame
     this.frame = frame;
 

v3/src/checksum.js

@@ -1,4 +1,4 @@
 var CHECKSUM = {
-build: '75ff7070-19b1-11e7-8955-3fcd2f9423de'
+build: 'e7a99d10-1a09-11e7-9d35-b9c669b4e95e'
 };
 module.exports = CHECKSUM;

v3/src/components/Animation.js

@@ -117,8 +117,40 @@ Animation.prototype = {
         this.isPlaying = false;
 
         return this.parent;
+    },
+
+    //  How far through the current animation are we?
+    //  Value between 0 and 1
+    //  I.e. [a,b,c,d,e,f] if on frame c progress would be 0.5
+
+    //  TODO: Add value argument
+    progress: function ()
+    {
+        var p = this.currentFrame.index / this.currentAnim.frames.length;
+
+        if (!this.forward)
+        {
+            p = 1 - p;
+        }
+
+        return p;
     }
 
 };
 
+Object.defineProperties(Animation.prototype, {
+
+    totalFrames: {
+
+        enumerable: true,
+
+        get: function ()
+        {
+            return this.currentAnim.frames.length;
+        }
+
+    }
+
+});
+
 module.exports = Animation;